2005-11-09 ATI Radeon X1800 (R520) ATI graphics chip said to be nicknamed Fudo (after philosofer or theInq's newsman). Earlier rumoured to be the PC-version of the XBox2-specific R500, but more recent sources indicate that it is closer to the R420, while the R500 is part of a new generation. Hyper Memory included. R520 is said to be called Radeon X1800 at release
2007-H1 Microsoft WGF (DirectX 10 or DirectX 9.0L) New version of DirectX, aka 9.0+ or 9.L succeeding DirectX 9.0c. Now reuniting DirectX with DirectDraw. The name is changed from DirectX to WGF (Windows Graphic Foundation) and then back again. Longhorn's user interface will for example be based on WGF version 2.0 (coming in 2006). Includes Shader Model 4.0 support, and likely to be part of XNA. Will be included in Longhorn and will also support programming Xbox2. Includes "Classic", "Aero", and "Aero Glass" modes (see Beyond3D link below).
DX10 is a much cleaned up version designed to run faster. Removes backwards compatibility with DX 9 and older. For running older games an extra layer of software will be used. May cause older games to run slower.